9C-259C-25TX / TXH / TXB 180S - 400L (Rev. 4/23/07)TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
limp home mode.limp home mode.
6600..0011 SS//AA SSppeeeed d cchhaannnneel l 00
(wire A22) related(wire A22) related
fault : speed channelfault : speed channel
is not connected.is not connected.
When only 1 speedWhen only 1 speed
channel has a fail-channel has a fail-
ure, and which is noture, and which is not
the engine speedthe engine speed
channel, the control-channel, the control-
ler will calculate whatler will calculate what
the missing speedthe missing speed
should bshould be. e. If seIf severalveral
speed channelsspeed channels
have a failure, of thehave a failure, of the
engine speed chan-engine speed chan-
nel has a failure, thenel has a failure, the
controller reverts to acontroller reverts to a
”limp home” mode.”limp home” mode.
Contact mainte-Contact mainte-
nance for trouble-nance for trouble-
shooting.shooting.
Speed channelSpeed channel
SPC0 is not con-SPC0 is not con-
nected.nected.
Check the wiringCheck the wiring
between the control-between the control-
ler and the speedler and the speed
sensor connected tosensor connected to
speed channel 0.speed channel 0.
Check the speedCheck the speed
sensor connected tosensor connected to
speed channel 0.speed channel 0.
6600..0033 SS//AA SSppeeeed cd chhaannnneel 0l 0,,
Invalid signal.Invalid signal.
When a speed chan-When a speed chan-
nel has a failure, thenel has a failure, the
controller will flag thecontroller will flag the
appropriaappropriate te error. Iferror. If
the engine speedthe engine speed
channel has a fail-channel has a fail-
ure, the controllerure, the controller
reverts to a ”limpreverts to a ”limp
home” mode.home” mode.
Contact mainte-Contact mainte-
nance for trouble-nance for trouble-
shooting.shooting.
Speed channel is notSpeed channel is not
measuring.measuring.
Check the speedCheck the speed
sensor installation.sensor installation.
6611..0000 SS//AA SSppeeeed d cchhaannnneel l 11
(wire A24) related(wire A24) related
fault : speed channelfault : speed channel
is shorted to ground.is shorted to ground.
When only 1 speedWhen only 1 speed
channel has a fail-channel has a fail-
ure, and which is noture, and which is not
the engine speedthe engine speed
channel, the control-channel, the control-
ler will calculate whatler will calculate what
the missing speedthe missing speed
should bshould be. e. If seIf severalveral
speed channelsspeed channels
have a failure, of thehave a failure, of the
engine speed chan-engine speed chan-
nel has a failure, thenel has a failure, the
controller reverts to acontroller reverts to a
”limp home” mode.”limp home” mode.
Contact mainte-Contact mainte-
nance for trouble-nance for trouble-
shooting.shooting.
Speed channelSpeed channel
SPC1 is shorted toSPC1 is shorted to
ground.ground.
Check the wiringCheck the wiring
between the control-between the control-
ler and the speedler and the speed
sensor connected tosensor connected to
speed channel 1.speed channel 1.
Check the speedCheck the speed
sensor connected tosensor connected to
speed channel 1.speed channel 1.
FaultFault
CCooddee TTyyppee EExxppllaannaattiioonn CCoonnttrroolllleerr’’s s AAccttiioonn DDrriivveer r AAccttiioonn FFaauullt t CCaauussee TTrroouubblleesshhoooottiinngg
6611..0011 SS//AA SSppeeeed d cchhaannnneel l 11
(wire A24) related(wire A24) related
fault : speed channelfault : speed channel
is not connected.is not connected.
When only 1 speedWhen only 1 speed
channel has a fail-channel has a fail-
ure, and which is noture, and which is not
the engine speedthe engine speed
channel, the control-channel, the control-
ler will calculate whatler will calculate what
the missing speedthe missing speed
should beshould be. . If severIf severalal
speed channelsspeed channels
have a failure, of thehave a failure, of the
engine speed chan-engine speed chan-
nel has a failure, thenel has a failure, the
controller reverts to acontroller reverts to a
”limp home” mode”limp home” mode
Contact mainte-Contact mainte-
nance for trouble-nance for trouble-
shooting.shooting.
Speed channelSpeed channel
SPC1 is not con-SPC1 is not con-
nected.nected.
Check the wiringCheck the wiring
between the control-between the control-
ler and the speedler and the speed
sensor connected tosensor connected to
speed channel 1.speed channel 1.
Check the speedCheck the speed
sensor connected tosensor connected to
speed channel 1.speed channel 1.
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